Hi Oleg,

Created HTTPCORE-754 <https://issues.apache.org/jira/browse/HTTPCORE-754>
for the same.


On Thu, Jun 29, 2023 at 7:15 PM Oleg Kalnichevski <ol...@apache.org> wrote:

> On Thu, 2023-06-29 at 15:29 +0530, sreenivas somavarapu wrote:
> > Hi Oleg,
> >
> > The error message is misleading (See below). It looks like Actual
> > error is because it is unable to acquire lock (From the exception
> > provided earlier Line 27 of StrictConnPool.java). Timeout of 0 means
> > don't wait as per java docs of ReentrantLock. So in my case it looks
> > like already one thread acquired lock and another thread now trying
> > to acquire lock and as TimeOut value is 0, that thread is returning
> > back and causing that exception to be thrown. As per HTTPClient java
> > docs a timeout of 0 to setConnectionRequestTimeout means infinite
> > timeout.
> >
> > Snippet from ReentrantLock java docs
> > image.png
> >
> >
> > Snippet from RequestConfig.Builder java docs
> > image.png
> >
> > Below code produces the same output as observed from HTTPClient logs
> > provided earlier
> >         Timeout requestTimeout = Timeout.ZERO_MILLISECONDS;
> >         final Deadline deadline = Deadline.calculate(requestTimeout);
> >         System.out.println(DeadlineTimeoutException.from(deadline));
> >
> > Output
> > org.apache.hc.core5.util.DeadlineTimeoutException: Deadline:
> > +292278994-08-17T07:12:55.807+0000, 9223370348824198963 MILLISECONDS
> > overdue
> >
>
> I see the problem now. There is a bug in StrictConnPool that gets
> masked by a bad error message generated by DeadlineTimeoutException.
>
> Please raise a JIRA for this defect.
>
> Oleg
>
>
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>

-- 
Cheers,
S. Sreenivas

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